sightmachine.com

Valid Email Server
Domain Lookup › sightmachine.com

Domain Overview

DNS: ✓ 20d ago Checker: ✓ 20d ago
sightmachine.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-20 21:12:16 UTC · ↺ Refresh

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MX Hostnames

  • aspmx3.googlemail.com
  • alt1.aspmx.l.google.com
  • aspmx.l.google.com
  • aspmx2.googlemail.com
  • alt2.aspmx.l.google.com

MX Priorities

  • aspmx3.googlemail.com: 50
  • aspmx.l.google.com: 10
  • alt1.aspmx.l.google.com: 20
  • alt2.aspmx.l.google.com: 30
  • aspmx2.googlemail.com: 40

A / AAAA Records

  • 198.202.211.1

Mail Server IPs

  • 172.253.116.27 ↩ dj-in-f27.1e100.net
  • 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
  • 142.251.179.27 ↩ pd-in-f27.1e100.net
  • 2607:f8b0:4004:c07::1b ↩ bc-in-f27.1e100.net
  • 108.177.123.26 ↩ lcscld-in-f26.1e100.net
  • 2800:3f0:4003:c0f::1b (no PTR)
  • 172.253.116.26 ↩ dj-in-f26.1e100.net
  • 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
  • 108.177.123.27 ↩ lcscld-in-f27.1e100.net
  • 2800:3f0:4003:c0f::1a (no PTR)

SOA Record

Raw SOA ns-1610.awsdns-09.co.uk awsdns-hostmaster.amazon.com 1 7200 900 1209600 30
Primary NS (mname)
ns-1610.awsdns-09.co.uk
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
30s

Nameservers (NS)

ns-887.awsdns-46.net
ns-1153.awsdns-16.org
ns-1610.awsdns-09.co.uk
ns-432.awsdns-54.com

SPF Record

✓ Strict (-all)
v=spf1 a mx ip4:149.72.227.160/32 include:spfc.sightmachine.com include:spfb.sightmachine.com include:spfa.sightmachine.com include:spfd.sightmachine.com include:3302931.spf02.hubspotemail.net include:ab.sendgrid.net -all
📊 DNS lookups: 8/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; sp=none; fo=1; ri=3600; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: none

DKIM Selectors

✓ 3 found
google._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

9 records
  • google-site-verification=IrrChFmaE5HpO8vXq-tHKZwBahsNqPlRu8XQp8zWqVzM
  • SPFv=spf1 a mx ip4:149.72.227.160/32 include:spfc.sightmachine.com include:spfb.sightmachine.com include:spfa.sightmachine.com include:spfd.sightmachine.com include:3302931.spf02.hubspotemail.net include:ab.sendgrid.net -all
  • 1password-site-verification=FIZZE4ZVMBBHJC7S63I7NISJLM
  • DF3445AFCB
  • MS=FF4EAC33095174D0093B38304896540E418DF38A
  • MS=ms27977516
  • apple-domain-verification=6y2DlAtKo3aNDtLA
  • atlassian-domain-verification=zHEaMYN5fpQNBUl+8ncVP5Xebm6ui2JYFVHpPqwlF4oXgJoddz+zEGncgPy9ITij
  • atlassian-sending-domain-verification=40562bee-a5b7-4218-af3f-f89830a3585d
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